From 6b2e3eb190363d4e5957890826e97f5674b38539 Mon Sep 17 00:00:00 2001
From: Tad <tad@spotco.us>
Date: Mon, 5 Apr 2021 23:03:18 -0400
Subject: [PATCH] Allow setting OTA public keys from environment variable

Change-Id: Ie7edd059b8d701d5ec0d0d922e23d034f69e579f
---
 core/Makefile          | 4 ++++
 core/product_config.mk | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/core/Makefile b/core/Makefile
index f2a524d58..92c7928d3 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1217,6 +1217,10 @@ endif
 # substitute other keys for this one.
 OTA_PUBLIC_KEYS := $(DEFAULT_SYSTEM_DEV_CERTIFICATE).x509.pem
 
+ifneq ($(OTA_KEY_OVERRIDE_DIR),)
+    OTA_PUBLIC_KEYS := $(OTA_KEY_OVERRIDE_DIR)/releasekey.x509.pem
+endif
+
 # Generate a file containing the keys that will be read by the
 # recovery binary.
 RECOVERY_INSTALL_OTA_KEYS := \
diff --git a/core/product_config.mk b/core/product_config.mk
index bcab7a384..401d27054 100644
--- a/core/product_config.mk
+++ b/core/product_config.mk
@@ -404,6 +404,11 @@ PRODUCT_OTA_PUBLIC_KEYS := $(sort \
 PRODUCT_EXTRA_RECOVERY_KEYS := $(sort \
     $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_EXTRA_RECOVERY_KEYS))
 
+ifneq ($(OTA_KEY_OVERRIDE_DIR),)
+    PRODUCT_OTA_PUBLIC_KEYS := $(OTA_KEY_OVERRIDE_DIR)/releasekey.x509.pem
+    PRODUCT_EXTRA_RECOVERY_KEYS := $(OTA_KEY_OVERRIDE_DIR)/extra
+endif
+
 PRODUCT_DEX_PREOPT_DEFAULT_FLAGS := \
     $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_DEX_PREOPT_DEFAULT_FLAGS))
 PRODUCT_DEX_PREOPT_BOOT_FLAGS := \
-- 
2.30.2